Variable height bathtub



FIG. 1 is a perspective view taken from the top, one side and one end of a variable height bathtub showing my new design, the opposite side and end being the same as the side and end shown;

FIG. 2 is a perspective view taken from the top, one side and one end thereof, showing the bathtub in a raised position; and

FIG. 3 is a top plan view thereof. 

The ornamental design for a variable height bathtub, substantially as shown and described. 